What to watch for on MLB draft day

The MLB draft starts Monday night and concludes Wednesday. The Minnesota Twins have the first overall pick for the third time in franchise history. In 2001, they selected Joe Mauer; in 1983, they selected Tim Belcher, but failed to sign him. Here are some things to look for on Monday, including who the Twins may select:

Will Hunter Greene become the first high school right-hander selected first overall?

Three prep lefties have gone first overall -- Brady Aiken in 2014, Brien Taylor in 1991 and David Clyde in 1973 -- but Greene, the top player on Keith Law's draft board, could become the first right-hander to go No. 1. In Law's latest mock draft, however, he has the Twins going with Louisville…